Quantitative Analyst Interview Questions

10,158 quantitative analyst interview questions shared by candidates

They asked about my background in python. I told I had made a bot which was using python for image recognition, but for the model analysis they needed, the python level was simple and skills were sufficient enough because I had plenty of high-quality experience writing R models and an R package. They said they were proud they are using python for their models while some competitive companies/banks were still using Excel, essentially mocking them, which didn't seem on par with my ethics-standards. I explained how I could help with their python. I wanted to make sure we are on the same page so I asked some stuff to them, too. I didn't get any answers when I asked what kind of libraries they build, what design patterns they use or examples of idiomatic python.
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Quantitative Analyst

Interviewed at Ortec Finance

4.5
Dec 9, 2019

They asked about my background in python. I told I had made a bot which was using python for image recognition, but for the model analysis they needed, the python level was simple and skills were sufficient enough because I had plenty of high-quality experience writing R models and an R package. They said they were proud they are using python for their models while some competitive companies/banks were still using Excel, essentially mocking them, which didn't seem on par with my ethics-standards. I explained how I could help with their python. I wanted to make sure we are on the same page so I asked some stuff to them, too. I didn't get any answers when I asked what kind of libraries they build, what design patterns they use or examples of idiomatic python.

You play a game where you can roll a dice once and decide if you want to get paid the dice or roll again and get paid the value from the next roll. How much would you pay to play? How can you find the answer not with 2 but any number of rolls where you have the option of taking the roll value at each stage or rolling again?
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Quantitative Analyst

Interviewed at Brevan Howard

2.8
Feb 5, 2025

You play a game where you can roll a dice once and decide if you want to get paid the dice or roll again and get paid the value from the next roll. How much would you pay to play? How can you find the answer not with 2 but any number of rolls where you have the option of taking the roll value at each stage or rolling again?

Q: If you have a chance of winning a $1 for every head that is flipped, how much will you make for 4 tosses? Then, if you were given the option to flip one of the tails one more time, what does your expected value of winnings climb to? Vice-versa.
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Quantitative Researcher

Interviewed at CaaS Capital Management

5
Aug 26, 2022

Q: If you have a chance of winning a $1 for every head that is flipped, how much will you make for 4 tosses? Then, if you were given the option to flip one of the tails one more time, what does your expected value of winnings climb to? Vice-versa.

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